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COMPENSATION OF THE IONOSPHERIC EFFECTS ON SAR INTERFEROGRAM BASED ON RANGE SPLIT-SPECTRUM AND AZIMUTH OFFSET METHODS – A CASE STUDY OF YUSHU EARTHQUAKE
InSAR Ionospheric effects Range split-spectrum Azimuth offset Ionosphere correction Yushu earthquake
2018/5/14
InSAR technique can measure the surface deformation with the accuracy of centimeter-level or even millimeter and therefore has been widely used in the deformation monitoring associated with earthquake...
The spectrum of thermally stimulated currents in rock samples from KTB drilling:preliminary results
thermally stimulated depolarization currents (TSDC) KTB drilling rocks relation parameters
2015/9/28
The technique of thermally stimulated depolarization currents (TSDC) was applied to fine grained amphibolite rock samples extracted from KTB drilling. Each sample was cooled down to liquid nitrogen te...
Power spectrum features of the near-Earth atmospheric electric field in Kamchatka
atmospheric quasi-static electric field atmospheric precipitation atmospheric waves
2015/9/14
Power spectrum of the diurnal variations of the quasi-electrostatic field Ez in the near-Earth atmosphere have been presented for the first time. The Ez power spectrum variations in the period of fine...
HF spectrum occupancy and antennas
Antenna Analysis Antenna Synthesis Fourier Relation Spectrum Management
2015/8/28
This paper deals with the research made during the COST 296 action in the WG2, WP 2.3 in the antennas and HF spectrum management fields, focusing the Mitigation of Ionospheric Effects on Radio Systems...
Can the Earth’s harmonic spectrum be derived directly from the stochastic inversion of global travel-time data?
Earthquake GPS Historical seismology Ionosphere Irpinia
2015/8/18
A set of seismic observations which all sample the same structure in the same way should have zero variance. This is naturally the case if all sources are in the same place, and the data are recorded ...
An example of resonances,coherent structures and topological phase transitions-the origin of the low frequency broadband spectrum in the auroral zone
coherent structures topological phase transitions low frequency broadband spectrum auroral zone
2009/11/12
We consider the phenomena of intermittent turbulence in magnetized space plasmas from the point of view of topological phase transitions involving the merging and interactions of anisotropic coherent ...
Formation of quasi-power law weak Langmuir turbulence spectrum by harmonic generation
quasi-power law weak Langmuir turbulence spectrum harmonic generation
2009/11/11
Langmuir wave turbulence generated by a beam-plasma interaction has been studied since the early days of plasma physics research. Despite a long history of investigation on this subject, among the out...
Turbulence in nearly incompressible fluids:density spectrum,flows,correlations and implication to the interstellar medium
nearly incompressible fluids density spectrum flows correlations implication interstellar medium
2009/11/9
Interstellar scintillation and angular radio wave broadening measurements show that interstellar and solar wind (electron) density fluctuations exhibit a Kolmogorov-like k-5/3 power spectrum extending...
Climate spectrum estimation in the presence of timescale errors
Climate spectrum estimation presence of timescale errors
2009/10/30
We introduce an algorithm (called REDFITmc2) for spectrum estimation in the presence of timescale errors. It is based on the Lomb-Scargle periodogram for unevenly spaced time series, in combination wi...
A joint inversion of apparent resistivity and peak-period of microtremor horizontal-to-vertical spectrum for shallow soil profile
microtremors horizontal-to-vertical spectrum S-wave velocity vertical electrical sounding resistivity simulated annealing
2009/3/5
We propose a new technique for a joint inversion of apparent resistivity data from a vertical electrical sounding and peak-period of spectral ratio of horizontal microtremors to vertical one in order ...